Sam Chak

Last seen: Today | 2020 이후 활성

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Simple PID Controller with Simulink
Hi @Jeff Dillon Not a VTOL person, but from the free-body diagram, Newton's 2nd Law can be applied with the basic assumptions o...

약 8시간 전 | 0

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How to plot this function?
@Juan Vicente Probably the plot looks like this: syms x y fimplicit(log(abs(y/(y + 1))) == -1/x, [-5 5 -10 10])

1일 전 | 0

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Rounding towards zero or from zero
Hi @Nick Austinos Does this work for you? x = 3.6; y = floor(x)

2일 전 | 0

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Throttle Command to Torque Command
Hi @Tamas Can you possibly find out the formula or relationship between the Throttle_position and the Torque_command? If you d...

2일 전 | 0

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Matlab code for solving nonlinear equations
Since you generally asked for any three nonlinear equations, I guess you just need to constrain the solver/algorithm to take onl...

4일 전 | 0

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Find the minimum of a function
Hi @Melika Eft The constrained optimization problem probably can be formulated like this: fun = @(x) x(1)^2 + x(2)^2; x0 = [...

4일 전 | 1

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How can I compute envelope for three phase current?
You can try if the envelope function works for you. https://www.mathworks.com/help/signal/ref/envelope.html

4일 전 | 0

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Plot of magnetic field
@Prem, Not exactly sure what you asked. If you are asking about plotting in MATLAB, then use this function: help plot If you ...

5일 전 | 0

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Vehicle speed calculation script
Hi @Prabaharan A Here is a basic script to calculate the average vehicle speed: Distance = 200; % km Duration...

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Add 2 trigonometric functions, with conditions
Are you trying to plot the addition of two sinusoidal functions, even when there are discontinuities? x = linspace(-1, 1, 200...

6일 전 | 0

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hi every one i need series for erfc(x) match with it in plot
Hi @sura Are you looking for something like this? syms x sympref('PolynomialDisplayStyle', 'ascend'); f = erfc(x); ...

6일 전 | 0

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how to change the fall time of step input in simulink
Hi @Swasthik Baje Shankarakrishna Bhat, You reuse the same syntax. I created a general one so that you can enter the desired pa...

6일 전 | 0

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Finding peak in the Gaussian like function which Value is unknown.
Hi @Jae-Hee Park Can you try if the findpeaks function works for your application? You can also find some examples here: http...

7일 전 | 0

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Fuzzy Logic display results
Hi @strat For this requirement, we can try the dictionary Object (newly introduced in R2022b) to map the FIS output (Fan Speed ...

7일 전 | 0

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how to change the rise time of step input in simulink
Hi @Swasthik Baje Shankarakrishna Bhat Edit: I created a general one so that you can enter the desired ramp up parameters: % u...

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How to use output of one fuzzy logic system as input for another?
Here is a simple example, where the output from the first FIS is fed into the second FIS. If the dual system is designed correc...

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find the value/s of the membership function when a crisp value is given???
Hi @Gadelhag M Omar Mohmed, It might be a little late answering this. But a data-driven Mamdani Fuzzy System can be generated ...

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Finding the relative orientation to a robot
Hi @Pawel Grum Generally, you can the transformation matrix to obtain the relative orientation. For simplicity, you can try stu...

8일 전 | 1

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how to reduce fuzzy rules generated by mamdani fis
With almost a thousand rules for 8 inputs, I guess there are 6 inputs with 2 fuzzy sets, 1 input with 3 fuzzy sets, and another ...

9일 전 | 0

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how to code transfer function
@Cesar Cardenas, Try something like this: tau0 = 2; tau1 = 3; Gp = tf(1, [tau1 1],'InputDelay', tau0) For more info, plea...

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help with smooth curve
@Felix Obite, Have you looked into interp1() function? Check out the first example: https://www.mathworks.com/help/matlab/ref/...

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Velocity vs Time graph in matlab
Hi @Sandun, I'm also new as to this kind of problem, with , strictly from the mathematical notation perspective. I think item ...

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I am looking to plot the following set of equations. Can someone please help me out with this
Let me try helping. I don't know about your functions and their parameters. But here is a basic example: Say we want to plot ...

9일 전 | 1

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How to get the fuzzy value of an input when the crisp value is given
The evalmf() function can used in this situation. help evalmf x = -10:0.1:10; mf = fismf("pimf", [-9 -7 2 7]); y = evalmf(...

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How do I solve this simultaneous equation below
Hi @Adam Verify with MATLAB: x = roots([1 1 -6]) Can I leave you to find as a simple exercise?

11일 전 | 0

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Fuzzy controller giving constant output of z = 0.5 (z range [0,1])
There is nothing wrong. The reason the Crisp Output starts from is because the linear MF is chosen and the range of the Output ...

11일 전 | 0

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help me in degree of membership function correction in fuzzy logic tool with new membership function creation
That's because the amplitude of your custom function depends on the value of . If it is not designed as , then the upper bound o...

11일 전 | 0

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Plot fuzzy membership function for specified parameters (x, u(x))
One proper way to plot the membership functions (MFs) is to create custom MFs based on the given fuzzy sets. https://www.mathwo...

12일 전 | 0

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i need to solve the ecuation: f(x)=sqrt(x)-cos(x) but im given the following interval [0,1]
Hi @Eva f = @(x) sqrt(x) - cos(x) fplot(f, [0 1]) x0 = 0.6; % guess the solution is relatively close to x = 0.6 xs...

12일 전 | 0

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How to get the output of a controller from MATLAB codes not simulink
Hi @ojonugwa adukwu Since a sample plant is not provided, we will use a 1st-order plant as an example: Gp = tf(1, [1 2]) ste...

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